v3.26.1
Reserve for Property and Casualty Insurance Claims and Claims Expense (Tables)
 6 Months Ended
Jun. 30, 2026
Reserve for Property-Liability Insurance Claims and Claims Expense [Abstract]  
Schedule of Rollforward of the Reserve for Property and Casualty Insurance Claims and Claims Expense and Prior Year Reserve Re-Estimates Included in Claims and Claims Expense
Rollforward of the reserve for property and casualty insurance claims and claims expense
Six months ended June 30,
($ in millions)20262025
Balance as of January 1$41,079 $41,917 
Less: recoverables (1)
8,012 8,602 
Net balance as of January 133,067 33,315 
Incurred claims and claims expense related to:
Current year20,692 21,685 
Prior years(1,645)(621)
Total incurred19,047 21,064 
Claims and claims expense paid related to:
Current year(9,320)(10,002)
Prior years(9,261)(9,521)
Total paid(18,581)(19,523)
Net balance as of June 3033,533 34,856 
Plus: recoverables
7,446 9,285 
Balance as of June 30$40,979 $44,141 
(1)Recoverables comprises reinsurance and indemnification recoverables.
Prior year reserve reestimates included in claims and claims expense (1)
Excluding catastrophe losses
Catastrophe
 losses (2)
Total
($ in millions)
202620252026

202520262025
Three months ended June 30,
Auto$(639)$(415)$(9)$(16)$(648)$(431)
Homeowners(28)12 66 18 38 30 
Specialty lines(16)28 (3)2 (19)30 
Commercial lines(8)7 (3)2 (11)9 
Brokered solutions and collateral protection(1)(10)— — (1)(10)
Run-off Property-Liability
— 2 — — — 2 
Total prior year reserve reestimates$(692)$(376)$51 $6 $(641)$(370)
Six months ended June 30,

Auto$(1,477)$(653)$(11)$(27)$(1,488)$(680)
Homeowners(126)5 52 17 (74)22 
Specialty lines(70)81 22 (5)(48)76 
Commercial lines(28)(24)— 5 (28)(19)
Brokered solutions and collateral protection(7)(25)— — (7)(25)
Run-off Property-Liability
— 5 — — — 5 
Total prior year reserve reestimates
$(1,708)$(611)$63 $(10)$(1,645)$(621)
(1)Reserve releases are shown in parentheses.
(2)2025 includes $60 million of estimated recoveries related to the Nationwide Reinsurance Program aggregate cover for losses occurring between April 1, 2024 and December 31, 2024.